GoogleSpeed_charts

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					The NeeD FOR SPeeD
Even slight slowdowns online frustrate people and cost companies money.



 How long a person will wait for page to         Percentage of users who look at
 load before navigating away                     a promotion if slide loads*…

 8 seconds
                                                 … instantaneously
                                                        20%                                                                  49%
                                                                                                                         of users will abandon
                                                                                                                          a site or switch to
                                                                                                                          a competitor after
                                                                                                                             experiencing
                                                                                                                             performance
                   5 seconds
                                                                                                                                issues.
                                  3 seconds
                                                                                             … after 8
                                                                                              seconds
                                                                                                 1%

   2000                  2005       2009         Instant load                             8 sec. load

Source: Akamai                                    Note: *For slide show taking up 23% of a page. Source:         Source: Sean Power, cofounder of the consulting firm
                                                  Jakob Nielsen, principal of the Nielsen Norman Group           Watching Websites



Even a brief delay leads to a lower “conver-     Slow sites get fewer conversions than ones                Speed will become an even more important
sion rate,” which means that a site’s visitors   that load in a second, and they have higher               factor for companies as people increasingly
take fewer desired actions.                      “bounce rates”—they lose more users.                      access the Web from mobile devices.

 Consequences of a one-second delay              Consequences of longer site-load time                      Users who ...

                                                 3 sec. 5 sec.                 10 sec.                                16%

                                                  22%                                                       … have shopped online with a phone.
                                     7%                    35%
                                                  22%                          42%                                                27%
                                                                                           Lost page
  11%                                                50% 38%                               views            … said shopping was too slow.
                                     Lost                                      46%         Lost
                                  conversions                                              conversions                                30%
  Fewer              16%                                                                                    … want to shop online in the future.
page views
                                                             105%
                                                                                                                                                             50%
                   Decreased
                    customer                                                     135%                       … expect sites to download as quickly on
                   satisfaction                                                            Bounce rate      mobile devices as on home computers.

Source: Aberdeen Group                            Source: Strangeloop                                        Source: Gomez

				
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